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add $upstream_name

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This commit is contained in:
yusing 2024-12-16 10:29:49 +08:00
parent 59f4eaf3ea
commit 2f275ca81e
3 changed files with 12 additions and 6 deletions
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1
internal/net/http/header_utils.go
View file

@ -13,6 +13,7 @@ const (
HeaderXForwardedURI = "X-Forwarded-Uri"
HeaderXRealIP = "X-Real-IP"
HeaderUpstreamName = "X-GoDoxy-Upstream-Name"
HeaderUpstreamScheme = "X-GoDoxy-Upstream-Scheme"
HeaderUpstreamHost = "X-GoDoxy-Upstream-Host"
HeaderUpstreamPort = "X-GoDoxy-Upstream-Port"

4
internal/net/http/middleware/set_upstream_headers.go
View file

@ -8,13 +8,14 @@ import (
// internal use only.
type setUpstreamHeaders struct {
Scheme, Host, Port string
Name, Scheme, Host, Port string
}
var suh = NewMiddleware[setUpstreamHeaders]()
func newSetUpstreamHeaders(rp *gphttp.ReverseProxy) *Middleware {
m, err := suh.New(OptionsRaw{
"name": rp.TargetName,
"scheme": rp.TargetURL.Scheme,
"host": rp.TargetURL.Hostname(),
"port": rp.TargetURL.Port(),
@ -27,6 +28,7 @@ func newSetUpstreamHeaders(rp *gphttp.ReverseProxy) *Middleware {
// before implements RequestModifier.
func (s setUpstreamHeaders) before(w http.ResponseWriter, r *http.Request) (proceed bool) {
r.Header.Set(gphttp.HeaderUpstreamName, s.Name)
r.Header.Set(gphttp.HeaderUpstreamScheme, s.Scheme)
r.Header.Set(gphttp.HeaderUpstreamHost, s.Host)
r.Header.Set(gphttp.HeaderUpstreamPort, s.Port)

13
internal/net/http/middleware/vars.go
View file

@ -37,11 +37,13 @@ const (
VarRemoteHost = "$remote_host"
VarRemotePort = "$remote_port"
VarRemoteAddr = "$remote_addr"
VarUpstreamScheme = "$upstream_scheme"
VarUpstreamHost = "$upstream_host"
VarUpstreamPort = "$upstream_port"
VarUpstreamAddr = "$upstream_addr"
VarUpstreamURL = "$upstream_url"
VarUpstreamName = "$upstream_name"
VarUpstreamScheme = "$upstream_scheme"
VarUpstreamHost = "$upstream_host"
VarUpstreamPort = "$upstream_port"
VarUpstreamAddr = "$upstream_addr"
VarUpstreamURL = "$upstream_url"
VarRespContentType = "$resp_content_type"
VarRespContentLen = "$resp_content_length"
@ -89,6 +91,7 @@ var staticReqVarSubsMap = map[string]reqVarGetter{
return ""
},
VarRemoteAddr: func(req *http.Request) string { return req.RemoteAddr },
VarUpstreamName: func(req *http.Request) string { return req.Header.Get(gphttp.HeaderUpstreamName) },
VarUpstreamScheme: func(req *http.Request) string { return req.Header.Get(gphttp.HeaderUpstreamScheme) },
VarUpstreamHost: func(req *http.Request) string { return req.Header.Get(gphttp.HeaderUpstreamHost) },
VarUpstreamPort: func(req *http.Request) string { return req.Header.Get(gphttp.HeaderUpstreamPort) },